Key Ideas

Think about the following questions as you watch the video

1. 03:46 What challenge was solved in the 20th century that transformed the way we heat our homes?
2. 04:32 How did the polar bear’s anatomy help us develop a more sustainable heating method?
3. 05:07 Briefly explain how the new type of solar collector developed in Germany and Austria in 2015 created heat.
4. 07:38 Architects in the United States have drawn inspiration from the human body to develop a new method of regulating temperatures in buildings. What was the inspiration, and how did they apply it to their innovation?